Anatomy & Physiology
5th Edition
ISBN: 9780321861580
Author: Marieb, Elaine N.
Publisher: Pearson College Div
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Textbook Question
Chapter 13, Problem 23RQ
Olfactory nerve filaments are found
a. in the optic bulbs,
b. passing through the cribriform plate of the ethmoid bone,
c. in the optic tracts,
d. in the olfactory cortex.
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Chapter 13 Solutions
Anatomy & Physiology
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- Because fibers of the optic nerve that originate in the nasal halves of each retina cross over at the optic chiasma, each lateral geniculate receives input from a.both the right and left sides of the visual field of both eyes. b.the ipsilateral visual field of both eyes. c.the contralateral visual field of both eyes. d.the ipsilateral field of one eye and the contralateral field of the other eye.arrow_forwardIn humans, most olfactory cells are located in thea. nasal cavity.b. nostrils.c. pharynx.d. roof of the mouth.arrow_forwardWhich one of these correctly describes the location of the spiral organ? a. between the tympanic membrane and the oval window in theinner ear b. in the utricle and saccule within the vestibule c. between the tectorial membrane and the basilar membrane in thecochlear canal d. between the nasal cavities and the throat e. between the outer and inner ear within the semicircular canalsarrow_forward
- Which of the following statements are true of the ear? (Read carefully and select all the correct statements.) A. The cochlea contains the receptors for hearing. B. The auditory bones, in the order they vibrate, are the malleus, incus, and stapes. C. The nerves for hearing and equilibrium are the ninth cranial nerves. D. The eardrum is at the end of the ear canal. E. The receptors that detect movement of the head are hair cells in the organ of Corti. F. The four semicircular canals have hair cells that respond to gravity. G. Air pressure in the middle ear cavity is regulated by the mastoid sinus. H. The auditory areas are in the temporal lobes.arrow_forwardWhich of the following statements are true of the physiology of vision? (Read carefully and select all the correct statements.) A. Cones are the receptors for color. B. The lens adjusts for distant vision, and the cornea adjusts for near vision. C. The optic nerve is formed by the ganglion neurons of the choroid layer. D. For near vision, the pupils dilate and the eyes converge. E. The optic chiasma is a crossing of optic nerve fibers that contributes to binocular vision. F. The visual areas are in the occipital lobes of the cerebrum. G. The area of the retina for the best color vision is the optic disc. H. Rods are most numerous at the periphery of the retina.arrow_forwardWhich of the following is accurate about the maculae of the vestibular apparatus? a. They detect rotational movements of the head. b. They are located in the semicircular canal. c. Nerve signals are generated when the otolithic membrane bends the stereocilia of the hair cells. d. They are the organs of hearing.arrow_forward
- (a) What is the difference, if any, between a semicircular canal and semicircular duct? Between the cochlea and cochlear duct? (b) Name the three parts of the membranous labyrinth of the internal ear. Which of these parts is for hearing, and which are for balance?arrow_forward1) The maculae of the utricle and saccule with their embedded otoliths and the semicircular canals _______. A) detect changes in the rate at which the head is moving B) determine what direction a sounds are coming from C) amplify soft sounds to improve hearing D) can only detect motion if the head moves at a constant velocityarrow_forwardWhich of the following statements concerning the inner ear is TRUE? Question 3 options: a) The bony labyrinth within the tempoal bone contains spaces for the semicircular canals and the cochlea. b) The fibers of the cochlear nerve are attached to hair cells in the semicircular canals to carry information about movements of the head. c) The frequency of sound waves as defined by their wavelengths are perceived as pitch and are measured in decibels (dB). d) The saccule and utricle are critical sensory receptors for interpreting language, distinct from other sounds.arrow_forward
- Choose the structure that applies to each statement. a. cribriform plate b. superior portion of nasal cavity c. olfactory hair d. olfactory nerve e. olfactory receptor cells 1. bipolar neurons 2. part of olfactory receptor cell that contains the olfactory receptors 3. formed of bipolar neuron axons 4. olfactory nerves pass through this structure before synapsing onto olfactory bulb 5. location of the olfactory epitheliumarrow_forwardNear and far vision are accommodated through the muscles of the A. fundus. B. ciliary body. C. iris. D. choroidarrow_forwardwhich statements are true about the Auditory Function a. Sound waves are funneled by the auricle down the external acoustic meatus, causing the tympanic membrane to vibrate. b. The tympanic membrane vibrations are passed along the auditory ossicles to the oval window of the inner ear. c. Movement of the stapes in the oval window causes the perilymph, vestibular membrane, and endolymph to vibrate, producing movement of the basilar membrane. d.Movement of the basilar membrane causes bending of the stereocilia of inner hair cells in the spiral organ.arrow_forward
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